F8

F8, F.VIII, F 8 or F-8 may refer to:

• F 8 Barkarby, a former Swedish Air Force wing
• F-8 Crusader, a 1955 American single-engine aircraft carrier-based fighter aircraft
• Fairchild F8, a 1977 8-bit microprocessor
• Fokker F.VIII, a 1927 Dutch large twin-engined airliner
• Shenyang F-8, an export version of the Chinese Shenyang J-8 jet interceptor
• F8F Bearcat, a Grumman single prop/engine carrier-based fighter aircraft introduced at the end of WWII
• f8, a block cipher used in the context of third generation mobile communications systems
• Kampfgeschwader 40, from its historic Geschwaderkennung code with the Luftwaffe in World War II
• F-8 Mosquito, the designation for the aerial reconnaissance Mosquito in USAAF service

And also:

• Coagulation factor VIII
• Frequency-8, a record label for electronic music producers Mars & Mystre
• Function key, on a computer keyboard
• Facebook f8, an annual conference hosted by Facebook
• Freedom Airlines, IATA airline designator
• Festival 8, the 8th three-day festival by the rock band, Phish, held October 30 – November 1, 2009 in Indio, CA